Answer
$11$
Work Step by Step
The expanded form of $1011_{\text{two}}$ is:
$=(1 \times 2^3) + (0\times 2^2)+(1 \times 2^1) + (1 \times 1)
\\=(1\times 8) + 0+(1 \times 2) + 1
\\=8 +2+1
\\=11$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 4 - Number Representation and Calculation - 4.2 Number Bases in Positional Systems - Exercise Set 4.2 - Page 226: 7
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